EDEALLINE 2.1" RC Cell Meter-7 Digital Battery Capacity Checker/Controller for NiCd / NiMH / LiPo / LiFe / Li-ion Use for LiPo LiFe Li-ion NiMH Nicd battery Display Mode: Battery cell voltages, total voltages, lowest cell voltage, Highest cell voltage gap between highest cell voltage and lowest cell voltage, Remaining battery capacity(%) With 2.1" LCD Screen Display Applies to check the batteries High quality, safe and durable